30244213 has 2 divisors, whose sum is σ = 30244214. Its totient is φ = 30244212.

The previous prime is 30244163. The next prime is 30244231. The reversal of 30244213 is 31244203.

Together with next prime (30244231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 628849 = 5442^2 + 793^2 .

It is an emirp because it is prime and its reverse (31244203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30244213 - 2¹³ = 30236021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30244273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15122106 + 15122107.

It is an arithmetic number, because the mean of its divisors is an integer number (15122107).

Almost surely, 2^30244213 is an apocalyptic number.

It is an amenable number.

30244213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30244213 is an equidigital number, since it uses as much as digits as its factorization.

30244213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30244213 is about 5499.4738839274. The cubic root of 30244213 is about 311.5641136784.

Adding to 30244213 its reverse (31244203), we get a palindrome (61488416).

The spelling of 30244213 in words is "thirty million, two hundred forty-four thousand, two hundred thirteen".